Serial Attached SCSI (SAS) Interface
Non-interlocked frame
Non-interlocked frame
interlocked
frames in this
example have
the same tag
Figure 1.18 Non-interlocked frames with the same tag
Non-interlocked frame tag A
Non-interlocked frame tag A
Non-interlocked frame tag A
Non-interlocked frame tag A
Non-interlocked frame tag A
Non-interlocked frame tag A
Non-interlocked frame tag B
Non-interlocked frame tag C
Non-interlocked frame tag C
Figure 1.19 Non-interlocked frames with different tags
1.5.6.4
Closing an SSP connection
DONE shall be exchanged prior to closing an SSP connection. There are several
versions of the DONE primitive indicating additional information about why the
SSP connection is being closed:
a) DONE (NORMAL) specifies normal completion; the transmitter has no more
SSP frames to transmit;
1-56
transmitter
All non-
time
transmitter
time
receiver
ACK or NAK
ACK or NAK
ACK or NAK
ACK or NAK
ACK or NAK
ACK or NAK
time
receiver
ACK or NAK
ACK or NAK
ACK or NAK
ACK or NAK
ACK or NAK
ACK or NAK
ACK or NAK
time
C141-C009